Derm pls Flashcards
Spot diagnosis and management
Acne fulminans - hospital admission and oral steroids
Acne management
Benzyol peroxide
Topical retinoids
Topical Abx
Oral antibiotics - doxycyclne, lymecycline (use erythromycin in pregnancy)
COCP
Oral isotretinoin (pregnanct is contraindication)
Spot diagnosis and management
Actinic keratosis - premalignant condition due to chronic sun exposure.
Management - sun avoidance, fluorouracil cream (2-3 week course)
Topical diclofenac
Topical imiquimod cream
Athletes foot
Caused by genus trichophyton
Topical imidazole first line
Spot diagnosis and management
Refer if BCC is suspected.
Management is surgical removal, curettage, cryotherapy, imiquimod, fluorouracil, radiotherapy
Features of BCC
Central crater
Most common type of BCC
Nodular
Spot diagnosis and management
Bowen’s disease - precancerous dermatosis to SCC.
Scaly red patches.
Management: topical 5-fluorouracil BD for 4 weeks
Cryotherapy
Excision
Spot diagnosis and management
Bullous pemphigoid - autoimmune condition causing sub-episdermal blistering of the skin - BP180, BO230.
Skin biopsy - immunoflouresence shows IgG and C3
Refer to dermatology for biopsy and confirmation of diagnosis
Burns - assessment of extent of burns
Wallace’s rule of nines, lund and browder chart
Spot diagnosis and management
Cherry haemangioma
Spot diagnosis and management
Plaque psoriasis - most common form of psoriasis
Silvery white scale - elbows and knees.
Spot diagnosis and management
Contact dermatitis
Topical steroids treatment
Spot diagnosis and management
Dermatitis herpetiformis - caused by coeliac’s
Skin biopsy - immunoflorescence shows deposition of IgA
Management - gluten free diet and dapsone
Spot diagnosis and management
Dermatofibroma - common benign fibroma
Management - reassurance
Removal surgically but recurrence is common
Spot diagnosis and management
Eczema herpeticum - caused by herpes simplex 1 or 2.
Rapidly progressing painful rash,
Life-threatening in children - admit for IV aciclovir
Spot diagnosis and management
Erysipelas - strep pyogenes.
More superficial and limited version of cellulitis,
Management is flucloxacilin
Spot diagnosis and management
Erythema multiforme
Spot diagnosis and management
Erythema nodosum - usually self resolving
Common in pregnancy
Spot diagnosis and management
Impetigo
Localised disease- hydrogen peroxide 1%, topical antibiotic cream
Extensive disease - oral flucloxacillin
School exclusion until the lesions are crusted and healed or 48 hours after antiobiotic treatment
Spot diagnosis and management
Shingles.
Herpes zoster infection - acute unilateral blistering rash
Management:
Contaneous until vesicles crusted over
Analgesia - paracetamol and NSAIDs (first-line)
Antivirals - within 72 hours in most patients
Spot diagnosis and management
Pyoderma gangrenous - inflammatory skin ulceration
Found in IBD, rheumatoid, SLE, myeloproliferative, lymphoma, ML, granulomatosis with polyangitis
Typically lower limb
Management oral steroids
Spot diagnosis and management
Pyogenic granuloma - common in pregnancy
Self resolve post partum
Spot diagnosis and management
Rosacea
Management - topical brimonidine
Topical ivermectin for mild-moderate
moderate to severe - topical ivermectin + oral doxy
Spot diagnosis and management
Psoriasis
Management - topical steroids
Spot diagnosis and management
Molluscum contagiosum
Self limiting, contagious but school exclusion no necessary
